Heavy Rain — Bexar, Texas

2022-04-10 · near Sat Twin Oaks Arpt, Bexar, Texas

Event narrative

A thunderstorm produced around one inch of rain in 30 minutes that filled a drainage ditch near the intersection of Hwy 281 and Bitters Rd. in northern San Antonio. A homeless man was camping in the ditch at the time and was washed away and drowned.

Wider weather episode

Southerly flow in the boundary layer brought a warm, moist airmass to South Central Texas. There was sufficient cold air advection above this layer to break the cap and generate thunderstorms late in the evening. Some of these storms produced large hail, damaging wind gusts, and locally heavy rain.

View location on OpenStreetMap → (29.5646, -98.4831)

Source: NOAA Storm Events Database, event_id 1021301. Narrative written by the NWS forecast office that issued the report.